Changes in Vowel Articulation with Subthalamic Nucleus Deep Brain Stimulation in Dysarthric Speakers with Parkinson’s Disease

Table 2

Individual DBS parameters.

Participant	Years post-op	Frequency (Hz)		Voltage (V)		Pulse width (µs)		Electrode configuration; (“0” = off, “+” = anode, “−” = cathode)
		Left	Right	Left	Right	Left	Right	Left contacts					Right contacts
								0	1	2	3	IPGc	0	1	2	3	IPGc
PD1	4	60	60	5.5	6.0	60	60	0	0	0	−	+	0	0	0	−	+
PD2	4	145	145	3.5	3.8	90	90	+	0	−	−	0	+	0	−	−	0
PD3	4	185	185	3.3	3.3	60	60	0	0	−	−	+	0	0	−	−	+
PD4	5	185	185	3.5	3.5	90	90	0	0	−	−	+	0	0	−	−	+
PD5	4	185	185	3.7	3.7	90	90	+	0	−	−	0	+	0	−	−	0
PD6	3	145	145	3.5	3.5	60	60	0	+	−	0	0	0	0	−	+	0
PD7	3	180	180	3.0	3.7	60	60	0	0	−	−	+	0	0	−	0	+
PD8	2	180	180	3.8	3.8	60	60	0	0	−	−	+	0	0	−	−	+

Notes: IPGc = Internalized Pulse Generator Case.